extero-

prefix

Refers to things on or from the outside.

Opposite
intero-
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Meanings

prefix
  1. Refers to things on or from the outside.

Synonyms & antonyms

Opposite
intero-

Origin

From Latin exter (“external”) + -o-. Possibly first used in exteroception, coined by Charles Sherrington.

Full word history & related roots →
Cite this entry
APA

extero-. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/extero-

MLA

“extero-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/extero-. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “extero-,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/extero-.

Source: extero- on Wiktionary, CC BY-SA 4.0.